1 #include <u.h>
2 #include <sys/stat.h>
3 #include <libc.h>
4 #include <draw.h>
5 
6 vlong
7 _drawflength(int fd)
8 {
9 	struct stat s;
10 
11 	if(fstat(fd, &s) < 0)
12 		return -1;
13 	return s.st_size;
14 }